armv7: fixloop: proper memory checking

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S
index 4eeb12a..a052378 100644 (file)
--- a/arch/arm/cpu/armv7/start.S
+++ b/arch/arm/cpu/armv7/start.S
@@ -195,8 +195,11 @@ copy_loop:
        add     r3, r3, r0              /* r3 <- rel dyn end in FLASH */
 fixloop:
        ldr     r0, [r2]                /* r0 <- location to fix up, IN FLASH! */
-       cmp     r0, #0
-       beq     fixskip
+       ldr     r7, _TEXT_BASE
+       cmp     r0, r7
+       blo     fixskip
+       cmp     r0, r6
+       bhs     fixskip
        add     r0, r0, r9              /* r0 <- location to fix up in RAM */
        ldr     r1, [r2, #4]
        and     r7, r1, #0xff